Convertible flashlight-headlamp



FIG. 1 is a front perspective view of a convertible flashlight-headlamp showing my new design, with the broken line showing for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a back elevational view thereof.

FIG. 4 is a front elevational view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a top plan view thereof. 

The ornamental design for a convertible flashlight-headlamp, as shown and described. 